Atlas of images of thin layer chromatograms of lichen substancesFelix Schumm, J. A. Elix · First published 2015Open the Tome
Images from Lichenes Australasici Exsiccati and of other characteristic Australasian lichensFelix Schumm · First published 2014Open the Tome
Flechten Madeiras, der Kanaren und Azoren - Band 2 ErgänzungsbandFelix Schumm, Andre Aptroot · First published 2013Open the Tome
A microscopical atlas of some tropical lichens from SE-Asia (Thailand, Cambodia, Philippines, Vietnam)Felix Schumm · First published 2012Open the Tome
Epiphytische Flechten Als UmweltgütezeigerJan-Peter Frahm, Felix Schumm, Norbert J. Stapper · First published 2010Open the Tome
Jean Marie Guyaus Religionsphilosophie <l'irreligion de l'avenir> Dargestellt und kritisch UntersuchtFelix Schumm · First published 1913Open the Tome
Jean Marie Guyaus Religionsphilosophie L'irreligion de l'avenirFelix Schumm · First published 1913Open the Tome
